* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  font-size: 100px;
}

.layout {
  width: 100vw;
  min-height: 100vh;
  padding: 0.15rem 0.3rem 0 0.3rem;
  position: relative;
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  align-items: center;
}

.layout img {
  display: block;
}

.layout .bg-img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}

.layout img {
  display: block;
}

.layout .bg-img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}

.layout .top-btn-box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.29rem;
}

.layout .top-btn-box img {
  width: 0.72rem;
  height: 0.38rem;
}

.layout .title-img {
  width: 2.69rem;
  height: 1.26rem;
  margin-bottom: 0.54rem;
}

.layout .start-btn {
  width: 1.9rem;
  height: 0.93rem;
  margin-bottom: 0.57rem;
}

.layout .introduce-img {
  width: 2.02rem;
  height: 0.28rem;
  margin-bottom: 0.1rem;
}

.loading {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  transform: translate(-50%, -50%);
}

#pg {
  position: absolute;
  top: 48%;
  left: 15%;
  width: 70%;
  height: 0.4rem;
  background-color: #d7d7d7;
  border-radius: 0.5rem;
}

progress::-webkit-progress-bar {
  background-color: #d7d7d7;
  border-radius: 0.5rem;
}

progress::-webkit-progress-value {
  border-radius: 0.5rem;
  background-color: #56c763;
}

.tips {
  font-size: 0.15rem;
  color: #fff;
}

.top-text, .rule-btn {
  border: 0.02rem solid #F7F7F7;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.62) 100%);
  border-radius: 0.07rem;
  font-size: 0.2rem;
  color: #404040;
  padding: 0.07rem 0.09rem;
  display: inline-block;
}

.rule-btn {
  font-size: 0.17rem;
  color: #B23525;
  font-weight: bold;
  padding: 0.02rem 0;
  margin-bottom: 0.11rem;
  width: 2.02rem;
  letter-spacing: 0.01rem;
}
